I have to download a file from my S3 bucket onto my server for some processing. The bucket does not support direct connections and has to use a Pre-Signed URL.
The Boto3 Docs talk about using a presigned URL to upload but do not mention the same for download.
import boto3
s3_client = boto3.client('s3')
BUCKET = 'my-bucket'
OBJECT = 'foo.jpg'
url = s3_client.generate_presigned_url(
'get_object',
Params={'Bucket': BUCKET, 'Key': OBJECT},
ExpiresIn=300)
print(url)
For another example, see: Presigned URLs — Boto 3 documentation
You can also generate a pre-signed URL using the AWS CLI:
aws s3 presign s3://my-bucket/foo.jpg --expires-in 300